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Miniaturised marine tests as indicators of aromatic hydrocarbon toxicity: potential applicability to oil spill assessment
Colvin, K.A.; Parkerton, T.F.; Redman, A.D.; Lewis, C.; Galloway, T.S. (2021). Miniaturised marine tests as indicators of aromatic hydrocarbon toxicity: potential applicability to oil spill assessment. Mar. Pollut. Bull. 165: 112151. https://dx.doi.org/10.1016/j.marpolbul.2021.112151
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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Toxicity kits; Rapid assessment; Aromatic hydrocarbons; Passive dosing; Oil spill; Target lipid model |
| Auteurs | | Top |
- Colvin, K.A.
- Parkerton, T.F.
- Redman, A.D., meer
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| Abstract |
Assessing oil spill toxicity in real time is challenging due to dynamic field exposures and lack of simple, rapid, and sensitive tests. We investigated the relative sensitivity of two commercially available marine toxicity tests to aromatic hydrocarbons using the target lipid model (TLM). State of the art passive dosing in sealed vials was used to assess the sensitivity of brine shrimp (Artemia franciscana) and rotifer (Brachionus plicatilis). Organisms were exposed to toluene, 1-methylnaphthalene and phenanthrene for 24 h. Toxicity results were analysed using the TLM to estimate the critical target lipid body burden and support comparison to empirical data for 79 other aquatic organisms. Our findings demonstrate the applicability of passive dosing to test small volumes and indicate that the two rapid cyst-based assays are insensitive in detecting hydrocarbon exposures compared to other aquatic species. Our results highlight the limitations of applying these tests for oil pollution monitoring and decision-making. |
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